配置

# Conflicts:
#	example/mqtt-car/src/main/java/org/dromara/mica/mqtt/server/entity/CarPassGather.java
#	example/mqtt-car/src/main/java/org/dromara/mica/mqtt/server/listener/CarMessageListener.java
#	example/mqtt-car/src/main/resources/application-dev.yml
#	example/mqtt-car/src/main/resources/application-prod.yml

example/mqtt-car/src/main/java/org/dromara/mica/mqtt/server/config/SchedulerConfig.java

@@ -0,0 +1,35 @@
+package org.dromara.mica.mqtt.server.config;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.TaskScheduler;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
+
+/**
+ * 定时任务线程池配置
+ * 解决默认定时任务线程池(大小为1)被阻塞导致所有定时任务无法执行的问题
+ */
+@Slf4j
+@Configuration
+@EnableScheduling
+public class SchedulerConfig {
+
+    @Bean
+    public TaskScheduler taskScheduler() {
+        ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
+        // 增加线程池大小，避免单线程阻塞影响所有定时任务
+        scheduler.setPoolSize(5);
+        scheduler.setThreadNamePrefix("mqtt-scheduler-");
+        // 等待所有任务完成后再关闭
+        scheduler.setWaitForTasksToCompleteOnShutdown(true);
+        // 等待时间
+        scheduler.setAwaitTerminationSeconds(60);
+        // 设置异常处理器，确保异常被记录但不中断定时任务
+        scheduler.setErrorHandler(throwable -> {
+            log.error("定时任务执行异常", throwable);
+        });
+        return scheduler;
+    }
+}

example/mqtt-car/src/main/java/org/dromara/mica/mqtt/server/redis/RedisService.java

@@ -80,7 +80,11 @@ public class RedisService {
 	 */
 	public <T> void setCacheObject(final String key, final T value, final Long timeout, final TimeUnit timeUnit)
 	{
-		redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
+		try {
+			redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
+		} catch (Exception e) {
+			log.error("Redis setCacheObject error: key={}", key, e);
+		}
 	}
 
 	/**
@@ -127,7 +131,12 @@ public class RedisService {
 	 */
 	public Boolean hasKey(String key)
 	{
-		return redisTemplate.hasKey(key);
+		try {
+			return redisTemplate.hasKey(key);
+		} catch (Exception e) {
+			log.error("Redis hasKey error: key={}", key, e);
+			return false;
+		}
 	}
 
 	/**
@@ -138,8 +147,13 @@ public class RedisService {
 	 */
 	public <T> T getCacheObject(final String key)
 	{
-		ValueOperations<String, T> operation = redisTemplate.opsForValue();
+		try {
-		return operation.get(key);
+			ValueOperations<String, T> operation = redisTemplate.opsForValue();
+			return operation.get(key);
+		} catch (Exception e) {
+			log.error("Redis getCacheObject error: key={}", key, e);
+			return null;
+		}
 	}
 
 	/**

example/mqtt-car/src/main/java/org/dromara/mica/mqtt/server/task/HeartbeatOnLineTask.java

@@ -30,28 +30,32 @@ public class HeartbeatOnLineTask {
 
 	@Scheduled(fixedRate = 15 * 1000)
 	public void run() {
-		log.info("===========心跳检测=============");
+		// 添加异常捕获，防止单个任务异常导致定时任务线程阻塞
-		//查询车辆摄像头的编码和在线状态
+		try {
-		List<Equipment> equipment = equipmentService.selectAllSnFlag();
+			log.info("===========心跳检测=============");
+			//查询车辆摄像头的编码和在线状态
+			List<Equipment> equipment = equipmentService.selectAllSnFlag();
 
-		for (Equipment equip : equipment) {
+			for (Equipment equip : equipment) {
-			//缓存中有该设备心跳key
+				//缓存中有该设备心跳key
-			if (redisService.hasKey(CacheConstants.EQUIPMENT_HEARTBEAT + equip.getSequence())) {
+				if (redisService.hasKey(CacheConstants.EQUIPMENT_HEARTBEAT + equip.getSequence())) {
-				String flag = redisService.getCacheObject(CacheConstants.EQUIPMENT_HEARTBEAT + equip.getSequence());
+					String flag = redisService.getCacheObject(CacheConstants.EQUIPMENT_HEARTBEAT + equip.getSequence());
-				//有心跳，但是和数据库设备在线状态不一致
+					//有心跳，但是和数据库设备在线状态不一致
-				if (!StrUtil.equals(flag, equip.getFlag())) {
+					if (!StrUtil.equals(flag, equip.getFlag())) {
-					log.info("设备：{}，flag:{}", equip.getSequence(), flag);
+						log.info("设备：{}，flag:{}", equip.getSequence(), flag);
-					equipmentService.updateFlag(equip.getSequence(), flag);
+						equipmentService.updateFlag(equip.getSequence(), flag);
-				}
+					}
-			} else {
+				} else {
-				//没有心跳上传，且设备在线,将设备置为离线
+					//没有心跳上传，且设备在线,将设备置为离线
-				if (StrUtil.equals(FlagEnums.ONLINE.getCode(), equip.getFlag())) {
+					if (StrUtil.equals(FlagEnums.ONLINE.getCode(), equip.getFlag())) {
-					log.info("设备：{}，无心跳离线", equip.getSequence());
+						log.info("设备：{}，无心跳离线", equip.getSequence());
-					equipmentService.updateFlag(equip.getSequence(), FlagEnums.OFFLINE.getCode());
+						equipmentService.updateFlag(equip.getSequence(), FlagEnums.OFFLINE.getCode());
+					}
 				}
 			}
-
+		} catch (Exception e) {
+			// 捕获所有异常并记录日志，确保定时任务能继续执行
+			log.error("HeartbeatOnLineTask 定时任务执行异常", e);
 		}
-
 	}
 }

example/mqtt-car/src/main/java/org/dromara/mica/mqtt/server/task/PlatePublishTask.java

@@ -50,93 +50,98 @@ public class PlatePublishTask {
 	 */
 	@Scheduled(fixedDelay = 8 * 1000)
 	public void run() {
-		String whiteUrl = "device/%s/message/down/white_list_operator";
+		// 添加异常捕获，防止单个任务异常导致定时任务线程阻塞
+		try {
+			String whiteUrl = "device/%s/message/down/white_list_operator";
 
-		//新增&编辑车牌
+			//新增&编辑车牌
-		CarInfo carInfo = new CarInfo();
+			CarInfo carInfo = new CarInfo();
-		carInfo.setDelFlag("0");
+			carInfo.setDelFlag("0");
-		carInfo.setSync("0");
+			carInfo.setSync("0");
-		List<CarInfo> carInfoList = carInfoService.selectCarInfoList(carInfo);
+			List<CarInfo> carInfoList = carInfoService.selectCarInfoList(carInfo);
-		if (CollUtil.isNotEmpty(carInfoList)) {
+			if (CollUtil.isNotEmpty(carInfoList)) {
-			//向设备下发车辆信息
+				//向设备下发车辆信息
-			for (CarInfo car : carInfoList) {
+				for (CarInfo car : carInfoList) {
-				//如果该设备没有心跳，不下发车牌信息
+					//如果该设备没有心跳，不下发车牌信息
-				if (!redisService.hasKey(CacheConstants.EQUIPMENT_HEARTBEAT + car.getSn())) {
+					if (!redisService.hasKey(CacheConstants.EQUIPMENT_HEARTBEAT + car.getSn())) {
-					continue;
+						continue;
-				}
-
-				String topic = String.format(whiteUrl, car.getSn());
-				WhiteListOperatorPO po = new WhiteListOperatorPO();
-				String uuid = "add_" + UuidUtil.getUuid();
-				po.setId(uuid);
-				po.setSn(car.getSn());
-				po.setName("white_list_operator");
-				//构造数据
-				po.setPayload(buildPayload(car));
-
-				//更新car_park_record表的clientId，用于回执消息更新下发状态
-				//必须在发送前更新，不然会导致发送后，还没更新完数据库，回执已经收到，无法更新数据，导致持续下发车牌
-				CarParkRecord carParkRecord = new CarParkRecord();
-				carParkRecord.setId(car.getCarParkRecordId());
-				carParkRecord.setClientId(uuid);
-				carParkRecordService.updateById(carParkRecord);
-
-				//发布车牌到设备（协议只能单条发布）
-				boolean publish = mqttServer.publish(car.getSn(), topic, JSON.toJSONString(po).getBytes(StandardCharsets.UTF_8));
-				log.info("定时任务下发车牌topic:{},报文数据：{},发送结果：{}", topic, JSON.toJSONString(po), publish);
-			}
-		}
-
-		//删除车牌
-		CarInfo carDel = new CarInfo();
-		carDel.setDelFlag("2");
-		carDel.setSync("1");
-		List<CarInfo> carInfos = carInfoService.selectCarInfoList(carDel);
-		if (CollUtil.isNotEmpty(carInfos)) {
-			//需要下发的设备
-			List<String> snList = carInfos.stream().map(CarInfo::getSn).distinct().toList();
-			for (String sn : snList) {
-				if (!redisService.hasKey(CacheConstants.EQUIPMENT_HEARTBEAT + sn)) {
-					log.error("删除车牌，设备：{}，无心跳", sn);
-					continue;
-				}
-
-				//车辆授权列表
-				List<CarParkRecord> carParkRecords = new ArrayList<>();
-
-				String topic = String.format(whiteUrl, sn);
-				WhiteListOperatorPO po = new WhiteListOperatorPO();
-				String uuid = "del_" + UuidUtil.getUuid();
-				po.setId(uuid);
-				po.setSn(sn);
-				po.setName("white_list_operator");
-
-
-				//构造内层数据
-				List<String> plates = new ArrayList<>();
-				for (CarInfo car : carInfos) {
-					plates.add(car.getPlate());
-
-					if (StrUtil.equals(car.getSn(), sn)) {
-						CarParkRecord carParkRecord = new CarParkRecord();
-						carParkRecord.setClientId(uuid);
-						carParkRecord.setId(car.getCarParkRecordId());
-						carParkRecords.add(carParkRecord);
 					}
-				}
-				po.setPayload(buildPayloadDel(plates));
 
-				//更新车辆授权信息
+					String topic = String.format(whiteUrl, car.getSn());
-				if (CollUtil.isNotEmpty(carParkRecords)) {
+					WhiteListOperatorPO po = new WhiteListOperatorPO();
-					carParkRecordService.saveOrUpdateBatch(carParkRecords);
+					String uuid = "add_" + UuidUtil.getUuid();
-				}
+					po.setId(uuid);
-				//发布车牌到设备
+					po.setSn(car.getSn());
-				boolean publish = mqttServer.publish(sn, topic, JSON.toJSONString(po).getBytes(StandardCharsets.UTF_8));
+					po.setName("white_list_operator");
-				log.info("定时任务删除车牌topic:{},报文数据：{},发送结果：{}", topic, JSON.toJSONString(po), publish);
+					//构造数据
+					po.setPayload(buildPayload(car));
 
+					//更新car_park_record表的clientId，用于回执消息更新下发状态
+					//必须在发送前更新，不然会导致发送后，还没更新完数据库，回执已经收到，无法更新数据，导致持续下发车牌
+					CarParkRecord carParkRecord = new CarParkRecord();
+					carParkRecord.setId(car.getCarParkRecordId());
+					carParkRecord.setClientId(uuid);
+					carParkRecordService.updateById(carParkRecord);
+
+					//发布车牌到设备（协议只能单条发布）
+					boolean publish = mqttServer.publish(car.getSn(), topic, JSON.toJSONString(po).getBytes(StandardCharsets.UTF_8));
+					log.info("定时任务下发车牌topic:{},报文数据：{},发送结果：{}", topic, JSON.toJSONString(po), publish);
+				}
 			}
-		}
 
+			//删除车牌
+			CarInfo carDel = new CarInfo();
+			carDel.setDelFlag("2");
+			carDel.setSync("1");
+			List<CarInfo> carInfos = carInfoService.selectCarInfoList(carDel);
+			if (CollUtil.isNotEmpty(carInfos)) {
+				//需要下发的设备
+				List<String> snList = carInfos.stream().map(CarInfo::getSn).distinct().toList();
+				for (String sn : snList) {
+					if (!redisService.hasKey(CacheConstants.EQUIPMENT_HEARTBEAT + sn)) {
+						log.error("删除车牌，设备：{}，无心跳", sn);
+						continue;
+					}
+
+					//车辆授权列表
+					List<CarParkRecord> carParkRecords = new ArrayList<>();
+
+					String topic = String.format(whiteUrl, sn);
+					WhiteListOperatorPO po = new WhiteListOperatorPO();
+					String uuid = "del_" + UuidUtil.getUuid();
+					po.setId(uuid);
+					po.setSn(sn);
+					po.setName("white_list_operator");
+
+
+					//构造内层数据
+					List<String> plates = new ArrayList<>();
+					for (CarInfo car : carInfos) {
+						plates.add(car.getPlate());
+
+						if (StrUtil.equals(car.getSn(), sn)) {
+							CarParkRecord carParkRecord = new CarParkRecord();
+							carParkRecord.setClientId(uuid);
+							carParkRecord.setId(car.getCarParkRecordId());
+							carParkRecords.add(carParkRecord);
+						}
+					}
+					po.setPayload(buildPayloadDel(plates));
+
+					//更新车辆授权信息
+					if (CollUtil.isNotEmpty(carParkRecords)) {
+						carParkRecordService.saveOrUpdateBatch(carParkRecords);
+					}
+					//发布车牌到设备
+					boolean publish = mqttServer.publish(sn, topic, JSON.toJSONString(po).getBytes(StandardCharsets.UTF_8));
+					log.info("定时任务删除车牌topic:{},报文数据：{},发送结果：{}", topic, JSON.toJSONString(po), publish);
+
+				}
+			}
+		} catch (Exception e) {
+			// 捕获所有异常并记录日志，确保定时任务能继续执行
+			log.error("PlatePublishTask 定时任务执行异常", e);
+		}
 	}
 
 

example/mqtt-car/src/main/resources/application-dev.yml

@@ -1,12 +1,33 @@
 spring:
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://127.0.0.1:3306/td_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
+    url: jdbc:mysql://127.0.0.1:3306/td_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8&connectTimeout=5000&socketTimeout=30000
     username: root
     password: root
+    # Druid 连接池配置
+    druid:
+      max-active: 20
+      max-wait: 60000
+      min-idle: 5
+      initial-size: 5
+      validation-query: SELECT 1
+      test-while-idle: true
+      test-on-borrow: false
+      test-on-return: false
+      time-between-eviction-runs-millis: 60000
+      min-evictable-idle-time-millis: 300000
   data:
     redis:
+#      host: 127.0.0.1
       host: 192.168.2.30
       password: redis2025
       database: 5
       port: 6379
+      # Redis 超时配置，防止连接阻塞
+      timeout: 5000ms
+      lettuce:
+        pool:
+          max-active: 8
+          max-idle: 8
+          min-idle: 2
+          max-wait: 5000ms

example/mqtt-car/src/main/resources/application-prod.yml

@@ -2,25 +2,37 @@ spring:
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
     #xa
-#    url: jdbc:mysql://127.0.0.1:3306/xa_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
+#    url: jdbc:mysql://127.0.0.1:3306/xa_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8&connectTimeout=5000&socketTimeout=30000
 #    username: root
 #    password: Xahg2024.
     #jl
-#    url: jdbc:mysql://127.0.0.1:3306/jl_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
+#    url: jdbc:mysql://127.0.0.1:3306/jl_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8&connectTimeout=5000&socketTimeout=30000
 #    username: root
 #    password: JL202509jj
     #td
-    url: jdbc:mysql://127.0.0.1:3306/td_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
+#    url: jdbc:mysql://127.0.0.1:3306/td_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8&connectTimeout=5000&socketTimeout=30000
-    username: root
+#    username: root
-    password: td@JJ2024
+#    password: td@JJ2024
     #zr
-#    url: jdbc:mysql://192.168.155.42:3306/zr_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
+#    url: jdbc:mysql://192.168.155.42:3306/zr_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8&connectTimeout=5000&socketTimeout=30000
 #    username: root
 #    password: zr202407.J
     #xj
-#    url: jdbc:mysql://127.0.0.1:3306/xj_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
+    url: jdbc:mysql://127.0.0.1:3306/xj_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8&connectTimeout=5000&socketTimeout=30000
-#    username: root
+    username: root
-#    password: XjJN2024!
+    password: XjJN2024!
+    # Druid 连接池配置
+    druid:
+      max-active: 20
+      max-wait: 60000
+      min-idle: 5
+      initial-size: 5
+      validation-query: SELECT 1
+      test-while-idle: true
+      test-on-borrow: false
+      test-on-return: false
+      time-between-eviction-runs-millis: 60000
+      min-evictable-idle-time-millis: 300000
   data:
     redis:
       #zr
@@ -30,3 +42,11 @@ spring:
       port: 6379
       password:
       database: 1
+      # Redis 超时配置，防止连接阻塞
+      timeout: 5000ms
+      lettuce:
+        pool:
+          max-active: 8
+          max-idle: 8
+          min-idle: 2
+          max-wait: 5000ms

example/mqtt-car/src/main/resources/application.yml

@@ -127,3 +127,8 @@ logging:
     server: info # t-io 服务端默认日志
     org.tio: info # t-io 服务端默认日志
     org.dromara.mica.mqtt: info # mica-mqtt 日志
+    org.dromara.mica.mqtt.server.task: debug # 定时任务日志级别
+
+# 定时任务线程池配置
+scheduler:
+  pool-size: 5